AirHint found the following cheapest return flights from Singapore (SIN) to Zurich (ZRH) in September 2025 (see full year).

Return flights

17 Sep - 23 Sep	Etihad Airways
08 Sep - 15 Sep	Etihad Airways
21 Sep - 06 Oct	Etihad Airways
25 Sep - 09 Oct	Etihad Airways
29 Sep - 06 Oct	Etihad Airways
09 Sep - 16 Sep	Etihad Airways
17 Sep - 24 Sep	Etihad Airways
01 Sep - 15 Sep	Etihad Airways
03 Sep - 14 Sep	Emirates
16 Sep - 23 Sep	Etihad Airways
02 Sep - 14 Sep	Etihad Airways
16 Sep - 22 Sep	Etihad Airways
10 Sep - 18 Sep	Etihad Airways
27 Sep - 09 Oct	Etihad Airways
23 Sep - 01 Oct	Emirates
24 Sep - 01 Oct	Emirates
04 Sep - 01 Oct	Emirates
21 Sep - 05 Oct	Etihad Airways
23 Sep - 06 Oct	IndiGo
30 Sep - 12 Oct	Emirates

Also check the deals for one-way flights from Singapore to Zurich in September.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Singapore to Zurich in September from 493€

Return flights